cabin air filter

Does anyone have a picture or the procedure to replace the cabin air filter on a 2001 Le Sabre,and is it better to replace the filter and cage or just the filter? Thanks

Why the cage unless it was damaged somehow.

Click Here (http://www.fram.com/sites/default/f/uploads/en/ib35.pdf)& Here (http://www.framcatalog.com/PartDetailWindow.aspx?b=F&pn=CF8804A)

That's the info that I was looking for,thanks Max I'll print it out for further use.